Motor gearbox



FIG. 1 is a perspective view of the motor gearbox showing the design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in FIGS. 1 and 5 depict unclaimed environmental subject matter. 

CLAIM The ornamental design for a motor gearbox, as shown and described. 